Trail Running calendar near Portsmouth 2026-2027

We have found 349 Trailruns within 80 miles of Portsmouth. See below where and when you can find the races.

Join Phoenix Running West Sussex for the Violets Are Blue Valentines Run at Southwater Park. Pick distances from 5 km to ultra, lap the flat compact trail at your own pace with rolling starts and claim a blue Love Spoon medal.

Run a flat, traffic free 10k on the National Cycle Network from Calne to Stanley near Chippenham, chip timed and well marshalled on an out and back multi terrain course. A 1 mile fun run for under 17s and limited entries make this a friendl..

Join KNC 18 at Mote Park on Thursday 19 February for a lively 60 minute score orienteering challenge across varied parkland. Advance online registration via Racesignup makes it easy to test your navigation and race craft.

Riverside races at Runnymede with marathon, half and 10 km options on flat out-and-back loops along the Thames Path. The event offers chip timing, marked turnarounds, bespoke medals and on-course medical support.

Looped trail and road races in Chalfont St Peter where runners choose on the day between 7k, longer loops, marathon and ultra marathon distances with aid, pacing and crew support.

A set of city-centre races in Bath that run through two long lit tunnels under the city, with distances from Colourburst fun runs up to a 50 km ultra. Brickfields Park is the hub and the event supports Sustrans with a donation per runner.

BigMud Trails at Queen Elizabeth Country Park offers scenic single lap routes across the South Downs with two climbs of Butser Hill. Choose 16 mile, marathon or 50 km distances and enjoy hearty aid stations and stunning views.

Tackle a winter trail at Gatton Park on 22 Feb 2026 with a choice of 5K or 10K loops. Canicross and trail runner categories, friendly social vibes and a finisher medal make it a great day for runners aged 11 and up.

A fully signed 50k trail from Denbies near Dorking along the North Downs Way and Norbury Park, with 2986 ft ascent, four staffed checkpoints and a 10 hour cutoff; the race also qualifies for the UTMB index.

UTMB Index

The Terminator 2026 is a tough but rewarding 12 mile trail race around Pewsey, Wiltshire, mostly off road with muddy climbs and high point views. All finishers receive a unique T shirt and race village treats await.

Enjoy scenic Gatton Park trails with canicross and trail options over 5K and 10K, with medals and dog treats. Chip timed races, onsite parking and post race goodies make for a fun winter run with your canine companion.

Guided 10 km trail runs at Thursley National Nature Reserve in Surrey on 25 February 2026 and 7 July 2026. Flat group routes include a boardwalk section, headtorches for night runs and a car park; cost £16 per person.

Take on scenic 15 km or 10 km routes at Newlands Corner, Guildford on Saturday 28 February 2026 with the G3 Series. Friendly, well organised races and multi entry deals make this a perfect weekend challenge for all abilities.

Guided 30 mile trail run from Harting Down along the South Downs Way, visiting Beacon Hill, Cocking Down and Kingley Vale. Presented as suitable for first time ultra runners, run at a group pace with practical support and route guidance.

Experience coastal trails and stunning views of Durdle Door at Lulworth Cove Trails in West Lulworth on 28 February 2026, with 10K, 27K and 50K options over rugged climbs, descents and stiles. Aid stations, parking and route maps are provid..

UTMB Index

Chocothon is a friendly timed lap on a flat 5.3 km riverside towpath, letting you complete as many laps as you can within a seven hour window. Distances from 5 km to ultra, medals and aid stations make it perfect for all abilities.

March 2026

Join the Weymouth Bay 10K on 1 March 2026 for a flat, fast coastal run starting and finishing at the Riviera Hotel in Bowleaze Cove. Enjoy seaside views, a bespoke medal, spot prizes and the chance to support Margaret Green Animal Rescue.

A 33.5-mile multi-terrain trail run around the Imber Range Perimeter Path near Westbury on 1 March 2026, organised by the Rotary Club of Westbury and Avon Valley Runners. Entries are handled via Entry Central.

A trail running event at Breamore House near Salisbury with 5K, 10K, half marathon and a 5K Canicross class. Routes use country paths and bridleways and include marshals, medics, aid stations and finisher medals.

Run the Windsor & Eton 10km on 1 March 2026 for a scenic multi terrain route from Windsor & Eton Brewery along the Thames and Jubilee River. Finishers get a pint cup, medal and free race photos to celebrate your run.